Rename FastDSE to just DSE.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40668 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/opt/opt.cpp b/tools/opt/opt.cpp
index 7847b77..4eca308 100644
--- a/tools/opt/opt.cpp
+++ b/tools/opt/opt.cpp
@@ -290,7 +290,7 @@
   addPass(PM, createInstructionCombiningPass());
   addPass(PM, createCondPropagationPass());      // Propagate conditionals
 
-  addPass(PM, createFastDeadStoreEliminationPass()); // Delete dead stores
+  addPass(PM, createDeadStoreEliminationPass()); // Delete dead stores
   addPass(PM, createAggressiveDCEPass());        // SSA based 'Aggressive DCE'
   addPass(PM, createCFGSimplificationPass());    // Merge & remove BBs
   addPass(PM, createSimplifyLibCallsPass());     // Library Call Optimizations